Home / 52,570.02-78,854.63-13,126.87

Finding the Fourth Proportional to 52,570.02, 78,854.63 and 13,126.87

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Solution

The fourth proportional to 52,570.02, 78,854.63 and 13,126.87 is: 19,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,570.02 : 78,854.63 = 13,126.87 : x
  2. Step 2: Convert to fraction form
    52,570.02/78,854.63 = 13,126.87/x
  3. Step 3: Cross multiply
    52,570.02x = 78,854.63 × 13,126.87
  4. Step 4: Simplify right side
    52,570.02x = 1,035,114,214.14
  5. Step 5: Solve for x
    x = 1,035,114,214.14/52,570.02
  6. Step 6: Final answer
    x = 19,690.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.